/// <summary>
/// Post Http请求
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="url">请求地址</param>
/// <param name="postData">传输数据 "table=company&data=00"</param>
/// <returns>泛型集合</returns>
public static ResponseContent Post(string url, string postData, bool withCookes = true)
{
ResponseContent responseContent = new ResponseContent();
if (getLocalConnectionStatus() <= 0)
{
responseContent.Code = -1;
responseContent.Msg = "网络未连接";
responseContent.Data = "";
return(responseContent);
}
if (string.IsNullOrEmpty(url))
{
responseContent.Code = -1;
responseContent.Msg = "请求的地址不能为空";
responseContent.Data = "";
return(responseContent);
}
HttpWebResponse webResponse = null;
Stream responseStream = null;
Stream requestStream = null;
StreamReader streamReader = null;
try
{
string respstr = PostStreamReader(url, responseStream, requestStream, streamReader, webResponse, postData, contentType);
ConsoleHelper.writeLine(respstr);
responseContent = JsonHelper.JsonToObject <ResponseContent>(respstr);
}
catch (Exception e)
{
ConsoleHelper.writeLine(" 请求失败: " + e.Message);
responseContent.Code = -1;
responseContent.Msg = "请求失败：客户端口或者服务有误。";
responseContent.Data = "";
if (e is WebException)
{
responseContent.Msg = e.Message;
}
}
finally
{
if (responseStream != null)
{
responseStream.Dispose();
}
if (webResponse != null)
{
webResponse.Dispose();
}
if (requestStream != null)
{
requestStream.Dispose();
}
if (streamReader != null)
{
streamReader.Dispose();
}
}
return(responseContent);
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="url">地址</param>
/// <param name="filePath">路径</param>
/// <param name="postData">参数</param>
/// <param name="contentType">媒体类型</param>
/// <param name="encode">编码</param>
/// <returns></returns>
public static ResponseContent postFile(string url, string filePath, string postData = null, string contentType = "application/octet-stream", string encode = "UTF-8")
{
if (string.IsNullOrEmpty(url) || string.IsNullOrEmpty(filePath))
{
throw new Exception("request url or filePath is null !");
}
if (!FileHelper.Exists(filePath))
{
throw new Exception("file not exists 文件不存在!");
}
Stream requestStream = null;
Stream responseStream = null;
StreamReader streamReader = null;
FileStream fileStream = null;
ResponseContent response = new ResponseContent();
try
{
// 设置参数
HttpWebRequest webRequest = WebRequest.Create(url) as HttpWebRequest;
//SetAuth(webRequest);
webRequest.AllowAutoRedirect = true;
webRequest.Method = "POST";
webRequest.CookieContainer = mCookieContainer;
string boundary = DateTime.Now.Ticks.ToString("X"); // 随机分隔线
webRequest.ContentType = "multipart/form-data;charset=" + encode + ";boundary=" + boundary;
byte[] itemBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "\r\n"); //消息开始
byte[] endBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n"); //消息结尾
var fileName = filePath.Substring(filePath.LastIndexOf("/") + 1);
//请求头部信息
string postHeader = string.Format("Content-Disposition:form-data;name=\"file\";filename=\"{0}\"\r\nContent-Type:{1}\r\n\r\n", fileName, contentType);
byte[] postHeaderBytes = Encoding.UTF8.GetBytes(postHeader);
fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
byte[] fileByteArr = new byte[fileStream.Length];
fileStream.Read(fileByteArr, 0, fileByteArr.Length);
fileStream.Close();
requestStream = webRequest.GetRequestStream();
requestStream.Write(itemBoundaryBytes, 0, itemBoundaryBytes.Length);
requestStream.Write(postHeaderBytes, 0, postHeaderBytes.Length);
requestStream.Write(fileByteArr, 0, fileByteArr.Length);
if (!string.IsNullOrEmpty(postData))
{
byte[] data = Encoding.UTF8.GetBytes(postData);
requestStream.Write(data, 0, data.Length);
}
requestStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length);
requestStream.Close();
//发送请求，得到响应流
responseStream = webRequest.GetResponse().GetResponseStream();
if (responseStream == null)
{
response.Data = string.Empty;
response.Msg = "no respose 没有返回！";
response.Code = -1;
}
streamReader = new StreamReader(responseStream, Encoding.UTF8);
response = JsonHelper.JsonToObject <ResponseContent>(streamReader.ReadToEnd());
return(response);
}
catch (Exception ex)
{
ConsoleHelper.writeLine("请求错误：" + ex.Message);
return(null);
}
finally
{
if (requestStream != null)
{
requestStream.Close();
}
if (responseStream != null)
{
responseStream.Close();
}
if (streamReader != null)
{
streamReader.Close();
}
if (fileStream != null)
{
fileStream.Close();
}
}
}